78281900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41201}}^1$

素因数の和:41234

約数の個数: 36

約数和(自身を含む): 178816680

約数和(自身を除く): 100534780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 41201, 82402, 164804, 206005, 412010, 782819, 824020, 1030025, 1565638, 2060050, 3131276, 3914095, 4120100, 7828190, 15656380, 19570475, 39140950, 78281900]

約数ペア:

[(1, 78281900), (2, 39140950), (4, 19570475), (5, 15656380), (10, 7828190), (19, 4120100), (20, 3914095), (25, 3131276), (38, 2060050), (50, 1565638), (76, 1030025), (95, 824020), (100, 782819), (190, 412010), (380, 206005), (475, 164804), (950, 82402), (1900, 41201)]